メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.290839826195 43.0785382525982, 141.291670066711 43.079285629817, 141.292128682575 43.079703846228, 141.292578624383 43.0801187537504, 141.292342350983 43.0802395729985, 141.292335851122 43.0803011201626, 141.292329183281 43.0803642259886, 141.292304990229 43.0803775268105, 141.291726780857 43.0806944445434, 141.291216990658 43.0802352174041, 141.290754951189 43.0798090216082, 141.290359462061 43.0794468881124, 141.290338746755 43.079427936947, 141.289931702058 43.0790811770278, 141.289529946807 43.0787338280468, 141.289980221578 43.078456147594, 141.290447382689 43.078184303443, 141.290839826195 43.0785382525982)) ^^http://www.opengis.net/ont/geosparql#wktLiteral